Currently, 95% of organizations allow Bring-Your-Own-Device (BYOD) to some extent. Therefore, it is likely that your organization is either already using or planning to implement a Bring Your Own Device (BYOD) policy. While there are benefits to this model, there are also BYOD security risks to consider.
| “While you shouldn’t let the risks of BYOD scare you away from implementing the policy if it will work for you, you do need to acknowledge these risks so you can proactively weave mitigation strategies into your policy.” – Kent Morris, President of Gravity Systems |
Part of the reason for this trend is due to the increased rate of remote work. One-third of Americans work under a fully remote model, and allowing BYOD is less expensive and less time-consuming than sending company-issued devices to all remote workers.
Whether you’re planning to introduce BYOD to your business or already using it, this article can help. We will explore common BYOD risks and issues and discuss strategies to mitigate them.
8 Biggest Security Risks of BYOD
1. Insecure Personal Devices
Personal mobile devices, tablets, and laptops rarely have business-grade protections. Additionally, people often delay software updates or use devices with weak default settings. This leaves known security vulnerabilities unpatched, providing attackers with an easy way to compromise the device.
2. Lost or Stolen Devices
While company-issued devices may also be lost or stolen, this risk is greater with BYOD devices. That’s because people often carry their devices to a broader range of locations where they could be lost or stolen. When this happens, any corporate data or access credentials on the device are at risk of exposure.
3. Mixing of Personal & Work-Related Data
BYOD devices often store both personal and business data. Employees may switch between apps or cloud accounts without a clear separation. As a result, sensitive business files, messages, or records can end up stored in personal apps or consumer-grade cloud services. This increases the risk of accidental exposure or leakage.
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4. Use of Unauthorized Peripherals
Employees often pair personal devices with unauthorized peripherals, such as USB drives, external keyboards, or Bluetooth accessories. These devices can introduce malware or interfere with device security settings. Plus, because employee-owned devices are not subject to controlled corporate provisioning, IT teams cannot manage or restrict peripheral usage.
5. Multiple Device Usage
Employees may use several personal devices to gain access to the same corporate data. Each additional device increases the attack surface and creates more entry points for threats. This habit may also make it more challenging to maintain a complete inventory of devices that hold corporate data or access internal resources.
6. Shadow IT
Shadow IT refers to the practice of using unauthorized software tools or applications to support work activities. Employees who work remotely or under a Bring Your Own Device (BYOD) policy are more likely to use shadow IT. When tools or apps outside of company control are used, IT teams cannot see or manage this activity, which increases security risks.
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7. Shared Devices
Employees sometimes share personal devices with family members or friends. Others may use the same device to browse the internet, install apps, or store personal content.
This practice introduces security risks because corporate data or applications may remain accessible during shared use. Family members or other users may unintentionally expose the device to unsafe content or compromise its security.
8. Unstable Connections
If you allow BYOD but require employees to work at your office, this reduces the risk. However, the majority of BYOD cases involve remote work. When employees work off-site, you cannot guarantee that they will always have reliable network access.
CloudSecureTech also notes that internet issues take an average of 117.9 minutes to resolve, so you are likely to lose productivity to network issues even if your employee has a solution.
6 Steps to Make Your BYOD Policy More Secure
1. Define Acceptable Use
Employees need to understand what is allowed. Therefore, you must establish a clear and acceptable use policy for personal devices. List the devices and operating systems that may connect to the network—state which business resources employees may access and which apps they must avoid.
2. Require Device Registration
Make all personal devices used for work subject to registration. Require employees to submit basic device details, including type, model, and operating system, before granting access to your corporate network. Registration provides IT teams with the visibility they need to track which devices connect to the network and apply the appropriate controls.
3. Apply Conditional Access Policies
Conditional access helps you reduce risks without completely blocking BYOD. It enables the secure use of personal devices by enforcing key protections at the point of access, allowing you to still apply control. Block access from outdated operating systems or devices without encryption, and allow access only from approved networks when possible.
If you need some ideas, here are some examples of good conditional access policies for BYOD environments.
| Policy Type | How It Works | Why It’s Beneficial |
| Multi-Factor Authentication (MFA) | Requires users to verify their identity using two or more methods (such as password plus app notification). | Strengthens access control even if personal devices lack strong security settings. |
| Block Legacy Authentication | Prevents sign-in using outdated protocols that do not support MFA or modern security features. | Reduces risk from older email clients or apps commonly used on personal devices. |
| Require Device Compliance for High-Risk Apps | Grants access to sensitive apps only from devices marked as meeting minimum security standards. | Helps limit data leakage when users access apps from personal devices. |
| App-Based Conditional Access | Allows access through approved apps while blocking access from unmanaged or unknown apps. | Ensures users access corporate resources through apps with stronger controls. |
| Location-Based Access Control | Allows or blocks access based on the physical location or IP address of the user. | Prevents unauthorized access from geographic regions or untrusted networks. |
| Session Controls | Restricts what users can do during a session, such as limiting file downloads or monitoring user activity. | Reduces data leakage risks when users access resources from personal devices. |
| Sign-In Risk-Based Access | Blocks or prompts for MFA when a sign-in appears suspicious. | Adds dynamic protection when users access corporate data from personal or unfamiliar devices. |
4. Segment Business Data
Use managed apps or secure containers where employees store and access corporate files. Keeping data separate reduces the risk of accidental leaks. If a personal app, service, or device is compromised, business data stored in secure containers stays protected. This also gives your IT team more control over where company data goes and how it is handled.
5. Set Up Remote Wipe
Set up a way to remove business data from personal devices when needed. Use tools that let you wipe only corporate data without affecting the employee’s files or apps. Having this ability prevents the risk of data breaches if a device is lost and also prevents a former employee from retaining your data after they leave your company.
6. Provide User Training
Sometimes, a BYOD is insecure simply because its user doesn’t fully understand security best practices. Explain what risks they create when using personal apps, weak passwords, or public networks. BYOD policies succeed only when employees understand their role in reducing risk. Training helps them make informed choices and reduces the likelihood of accidental mistakes.
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Reach Out to Gravity Systems to Enhance Your Security Posture
While there is a lot that you can do to decrease security threats, the right IT partner can do even more. Whether you use BYOD or corporate devices, there is always value in asking IT experts for help enhancing your cybersecurity posture.
Talk to Gravity Systems about how you can improve your overall security. We will also monitor your devices 24/7 and respond the moment something seems out of place.
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